Hi Anders, Thanks for your reply.
Yes, you are correct. This padding would be between the content and the overhang area. Thanks, Fady On Thu, Oct 6, 2011 at 1:32 PM, Anders Carlsson <ander...@apple.com> wrote: > Hi Fady, > > so if I'm understanding correctly, in the context of rubber-band scrolling, > this padding would be between the content and the overhang area? > > As far as constrainsScrollingToContentEdge goes, I'd like to get rid of it > and just have two scroll functions, one that constrains to the content edge > and one that doesn't. > > - Anders > > On Oct 6, 2011, at 10:03 AM, Fady Samuel wrote: > > Hi all, > > We'd like to provide a general mechanism in WebKit for embedders to scroll > page content so that it is not hidden by embedder-provided UI elements that > overlap the page. > > In some cases, if a floating UI element overlaps the edge of the page, we'd > like to allow the embedder to scroll beyond the edge of the page to allow > the hidden content to move to an area that isn't overlapped by UI > elements. This feature is orthogonal to rubber band scrolling. > > One approach we considered taking is to allow the platform to set "scroll > padding" to a FrameView/ScrollableArea to allow scrolling beyond the edge of > the page. > > As a more concrete example, one can imagine a persistent Chromium extension > that floats above the edge of the page. A link may lie behind the floating > window. That link would be inaccessible unless the page is allowed to > scroll beyond its edge. > > An experimental and incomplete implementation of this idea can be found > here: https://bugs.webkit.org/show_bug.cgi?id=68184 > > After some additional consideration since this patch was posted, I don't > believe scroll padding should interact with > ScrollView::constrainsScrollingToContentEdge the way it does in the patch. > Instead, I feel that scroll padding should be ignored > if constrainsScrollingToContentEdge is false. That way rubber band scrolling > is not affected at all by this. > > What are your thoughts and suggestions? Is this feature sufficiently > general to be implemented in WebCore? What are your thoughts about its > interaction with ScrollView::constrainsScrollingToContentEdge? > > Thanks, > Fady > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > > >
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